Carmex External Right Hand UN Unified Thread Turning Insert 4.5 TPI / 27 ER 4.5 UN BMA Insize Thread GO Ring Gauge 1/4"-28 UNF Series 4121-1B2 Production Ready – DIN 376

Production Ready – DIN 376 (standard shank) design with 4 flutes for strength and stability

Ruby contact point

while the right-hand cutting direction ensures compatibility with standard tap wrenches

Part Number: SS4X4MM

Carmex External Right Hand UN Unified Thread Turning Insert 4.5 TPI / 27 ER 4.5 UN BMA Insize Thread GO Ring Gauge 1/4"-28 UNF Series 4121-1B2 Production Ready – DIN 376External Thread Turning Insert UN Full Profile The UN Full Profile External Thread Turning Insert is designed for producing Unified thread profiles with high precision and consistency. With a 60 thread angle and a pitch of 4. 5 TPI, this full profile insert forms the complete thread geometry, including crest, root, and flanks. It ensures high quality, pressure tight threads suitable for industrial and mechanical applications. Constructed from durable